From 069fb67bb0473e18b041d5888765bbb57112a417 Mon Sep 17 00:00:00 2001
From: Liubov Dmitrieva <liubovd@meta.com>
Date: Tue, 29 Oct 2024 04:45:24 -0700
Subject: [PATCH] cas: add .misses counters

Summary:
add .misses counters

They are present for all other storages

Reviewed By: lmvasquezg

Differential Revision: D65083457

fbshipit-source-id: 5c42ae68261e0d68915c2f30b89be2bbfb7025ad
---
 eden/scm/lib/revisionstore/src/scmstore/file/fetch.rs | 1 +
 eden/scm/lib/revisionstore/src/scmstore/tree/fetch.rs | 1 +
 2 files changed, 2 insertions(+)

diff --git a/eden/scm/lib/revisionstore/src/scmstore/file/fetch.rs b/eden/scm/lib/revisionstore/src/scmstore/file/fetch.rs
index 9bfb79f16aafe..dd9f5efaaa9bd 100644
--- a/eden/scm/lib/revisionstore/src/scmstore/file/fetch.rs
+++ b/eden/scm/lib/revisionstore/src/scmstore/file/fetch.rs
@@ -898,6 +898,7 @@ impl FetchState {
         self.metrics.cas.fetch(keys_fetch_count);
         self.metrics.cas.err(error);
         self.metrics.cas.hit(keys_found_count);
+        self.metrics.cas.miss(keys_fetch_count - keys_found_count);
         self.metrics
             .cas_backend
             .zdb_bytes(total_stats.total_bytes_zdb);
diff --git a/eden/scm/lib/revisionstore/src/scmstore/tree/fetch.rs b/eden/scm/lib/revisionstore/src/scmstore/tree/fetch.rs
index 6fd06923cbc0e..da959a6c4f366 100644
--- a/eden/scm/lib/revisionstore/src/scmstore/tree/fetch.rs
+++ b/eden/scm/lib/revisionstore/src/scmstore/tree/fetch.rs
@@ -321,6 +321,7 @@ impl FetchState {
         self.metrics.cas.fetch(keys_fetch_count);
         self.metrics.cas.err(error);
         self.metrics.cas.hit(keys_found_count);
+        self.metrics.cas.miss(keys_fetch_count - keys_found_count);
         self.metrics
             .cas_backend
             .zdb_bytes(total_stats.total_bytes_zdb);